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Thompson , city, Canada

(Encyclopedia)Thompson, city (1991 pop. 14,977), central Man., Canada, on the Burntwood River. A mining town, it developed after large nickel deposits were discovered in the area in 1956. ...

platinite

(Encyclopedia)platinite, alloy that is 46% nickel and 54% iron. It is used in the manufacture of electric lightbulbs because its coefficient of expansion, i.e., the rate at which its volume increases with temperatu...

Sudbury, city, Canada

(Encyclopedia)Sudbury, city (1991 pop. 92,884), central Ont., Canada. It is the center of Canada's largest mining region, which produces much of the world's nickel and large quantities of copper, platinum, gold, si...

ruthenium

(Encyclopedia)ruthenium ro͞othēˈnēəm [key], metallic chemical element; symbol Ru; at. no. 44; at. wt. 101.07; m.p. about 2,310℃; b.p. about 3,900℃; sp. gr. 12.41 at 20℃; valence commonly +2, +3, +4, +6, ...

Fraser, James Earle

(Encyclopedia)Fraser, James Earle, 1876–1953, American sculptor, b. Winona, Minn., studied at the Art Institute of Chicago and in Paris. The best known of his many works are The End of the Trail (Visalia, Calif.)...

Tati

(Encyclopedia)Tati täˈtē [key], region, c.2,070 sq mi (5,360 sq km), NE Botswana. Nickel, copper, and manganese are mined in the region. Tati was a source of gold for centuries; mining ceased there in the early ...

Port Colborne

(Encyclopedia)Port Colborne kōlˈbərn [key], town (1991 pop. 18,766), S Ont., Canada, on Lake Erie, at the south end of the Welland Ship Canal. It is an important transshipment center between Montreal and points ...

Mugodzhar Hills

(Encyclopedia)Mugodzhar Hills mo͞ogəjärˈ [key], range, c.275 mi (440 km) long, E Kazakhstan. The southern spur of the Urals, it forms the divide between the Caspian and the Aral basins. Its highest point is c.2...

Orsk

(Encyclopedia)Orsk ôrsk [key], city (1989 pop. 271,000), Orenburg region, in the foothills of the S Ural Mts., central Russia, on the Ural River. It is the center of the Orsk-Khalilovo industrial area, which has r...

Isabela, province, Philippines

(Encyclopedia)Isabela ĭzəbĕlˈə, Span. ēsäbāˈlä [key], province, NE Luzon, the Philippines...